[OBORONA-SPAM] Re: inode checkpoints

[Josh Boyer]

On Mon, 2004-10-04 at 05:36, Artem B. Bityuckiy wrote:
> > It seems to make a lot of sense. We could write such checkpoints only on
> > files which are large enough to warrant them, and we could tune the
> > frequency of such checkpoints.
> 
> The following are required features (as I think) of the checkpoint 
> creation algorithm and strategy.
> 1 New checkpoint nodes must not be created if there is little free space 
> left on the file system.
> 2 New checkpoint nodes ought to be created only for large inodes.

Can we extend this to be "files with a large amount of nodes"?  I'm
thinking of the fifo problem here too...

> 3 The checkpoint nodes creation process must not decrease the JFFS2 
> performance very much.
> 
> Checkpoints should be created in background by the GC thread. GC begins 
> creating checkpoints if the following is true:

eCos doesn't have a GC thread IIRC.  Not a big deal in my opinion, but
others might care :).

josh